Merge pull request php-translation#32 from stof/patch-2

Fix typo in comment

Author: Nyholm

guides/configure-httplug.rst

@@ -48,7 +48,7 @@ and a PSR-6 cache pool.
                 cache_pool: 'cache.provider.my_redis'
                 config:
                     default_ttl: 94608000 # three years
-                    respect_cache_headers: false # We cache no matter what the sever says
+                    respect_cache_headers: false # We cache no matter what the server says
         clients:
             translator_client:
                 factory: 'httplug.factory.guzzle6'